143 lines
3.7 KiB
C
143 lines
3.7 KiB
C
#include <bshell/command/cmdlet.h>
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#include <bshell/command/command.h>
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#include <bshell/format.h>
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#include <bshell/runtime/pipeline.h>
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#include <bshell/status.h>
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#include <fx/collections/array.h>
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#include <fx/reflection/function.h>
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#include <fx/string.h>
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#include <fx/value-type.h>
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#include <fx/vector.h>
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#define BSHELL_TYPE_WRITE_OUTPUT (bshell_write_output_get_type())
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fx_type_id bshell_write_output_get_type(void);
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FX_DECLARE_TYPE(bshell_write_output);
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FX_TYPE_CLASS_DECLARATION_BEGIN(bshell_write_output)
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FX_TYPE_CLASS_DECLARATION_END(bshell_write_output)
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struct bshell_write_output_p {
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struct bshell_table_ctx w_table_ctx;
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bool w_table_initialised;
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};
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static void initialise_table(
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struct bshell_write_output_p *cmd,
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const fx_value *first_record)
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{
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bshell_table_ctx_init(&cmd->w_table_ctx, fx_stdout);
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const fx_type *ty = fx_type_get_by_id(first_record->v_type);
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bshell_table_ctx_prepare_columns_from_format(
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&cmd->w_table_ctx,
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ty,
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NULL);
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bshell_table_ctx_print_headers(&cmd->w_table_ctx);
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cmd->w_table_initialised = true;
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}
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static bool value_requires_table(const fx_value *value)
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{
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if (fx_type_is_value_type(value->v_type)) {
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return false;
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}
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if (fx_value_is_type(value, FX_TYPE_STRING)
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|| fx_value_is_type(value, FX_TYPE_ARRAY)) {
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return false;
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}
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return true;
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}
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static void write_value(
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struct bshell_write_output_p *cmd,
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const fx_value *value)
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{
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if (!value_requires_table(value)) {
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fx_value_to_string(value, fx_stdout, NULL);
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fx_stream_write_char(fx_stdout, '\n');
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return;
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}
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if (!cmd->w_table_initialised) {
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initialise_table(cmd, value);
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}
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bshell_table_ctx_print_record(&cmd->w_table_ctx, value);
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}
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static enum bshell_status begin_processing(
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bshell_cmdlet *cmdlet,
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enum bshell_command_position position)
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{
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struct bshell_write_output_p *p
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= fx_object_get_private(cmdlet, BSHELL_TYPE_WRITE_OUTPUT);
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for (size_t i = 1;; i++) {
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const fx_value *v = bshell_command_get_arg(cmdlet, i);
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if (!v) {
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break;
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}
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write_value(p, v);
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}
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return BSHELL_SUCCESS;
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}
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static enum bshell_status process_record(
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bshell_cmdlet *cmdlet,
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bshell_pipeline *pipeline,
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struct bshell_runtime *rt)
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{
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struct bshell_write_output_p *p
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= fx_object_get_private(cmdlet, BSHELL_TYPE_WRITE_OUTPUT);
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fx_value in = bshell_pipeline_read_value(pipeline);
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if (fx_value_is_set(&in)) {
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write_value(p, &in);
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fx_value_unset(&in);
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}
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return BSHELL_SUCCESS;
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}
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static enum bshell_status end_processing(bshell_cmdlet *cmdlet)
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{
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struct bshell_write_output_p *p
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= fx_object_get_private(cmdlet, BSHELL_TYPE_WRITE_OUTPUT);
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return BSHELL_SUCCESS;
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}
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static void init(fx_object *obj, void *priv)
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{
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}
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FX_TYPE_CLASS_BEGIN(bshell_write_output)
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FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
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FX_INTERFACE_ENTRY(to_string) = NULL;
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FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
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FX_TYPE_VTABLE_INTERFACE_BEGIN(bshell_cmdlet, BSHELL_TYPE_CMDLET)
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FX_INTERFACE_ENTRY(c_verb) = BSHELL_VERB_WRITE;
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FX_INTERFACE_ENTRY(c_noun) = "Output";
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FX_TYPE_VTABLE_INTERFACE_END(bshell_cmdlet, BSHELL_TYPE_CMDLET)
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FX_TYPE_VTABLE_INTERFACE_BEGIN(bshell_command, BSHELL_TYPE_COMMAND)
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FX_INTERFACE_ENTRY(c_begin_processing) = begin_processing;
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FX_INTERFACE_ENTRY(c_process_record) = process_record;
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FX_INTERFACE_ENTRY(c_end_processing) = end_processing;
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FX_TYPE_VTABLE_INTERFACE_END(bshell_cmdlet, BSHELL_TYPE_CMDLET)
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FX_TYPE_CLASS_END(bshell_write_output)
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FX_TYPE_DEFINITION_BEGIN(bshell_write_output)
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FX_TYPE_ID(0xf7f9c42d, 0xc053, 0x4ffc, 0xa8ec, 0x78fef4844ac0);
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FX_TYPE_NAME("bshell.core.write_output");
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FX_TYPE_EXTENDS(BSHELL_TYPE_CMDLET);
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FX_TYPE_CLASS(bshell_write_output_class);
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FX_TYPE_INSTANCE_INIT(init);
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FX_TYPE_INSTANCE_PRIVATE(struct bshell_write_output_p);
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FX_TYPE_DEFINITION_END(bshell_write_output)
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